Jump seat frame



FIG. 1 is a perspective view of a jump seat frame, showing my newdesign;

FIG. 2 is a front elevational view thereof, with the rear and sideelevational views thereof being mirror images; and,

FIG. 3 is a top plan view thereof, showing my new design.

The broken lines showing of the baby jump seat in FIG. 1 are forillustrative purposes only and form no part of the claimed design.

The ornamental design for a jump seat frame, as shown and described.